| Saint-Morillon | |
| Commune Status: | Commune |
| Arrondissement: | Bordeaux |
| Canton: | La Brède |
| Insee: | 33454 |
| Postal Code: | 33650 |
| Mayor: | Laurence Bourgade[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Montesquieu |
| Coordinates: | 44.6506°N -0.5014°W |
| Elevation M: | 6 |
| Elevation Min M: | 15 |
| Elevation Max M: | 67 |
| Area Km2: | 20.4 |
Saint-Morillon (in French pronounced as /sɛ̃ mɔʁijɔ̃/; Occitan (post 1500);: Sent Maurilhon) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.